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[2607:f8b0:4864:20::122f]) by gmr-mx.google.com with ESMTPS id 956f58d0204a3-64477d53494si302215d50.1.2025.12.12.15.41.06 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 12 Dec 2025 15:41:06 -0800 (PST) Received-SPF: pass (google.com: domain of gmaxwell@gmail.com designates 2607:f8b0:4864:20::122f as permitted sender) client-ip=2607:f8b0:4864:20::122f; Received: by mail-dl1-x122f.google.com with SMTP id a92af1059eb24-11beb0a7bd6so2235876c88.1 for ; Fri, 12 Dec 2025 15:41:06 -0800 (PST) X-Gm-Gg: AY/fxX5tbu/9QV0Ede4W1JoU1B3tGlHzn4ZIS1BUiUtbir9p6IlUkQU0yGWNvpZhAZa utJKqbpCJuIXe3ks4pttKlaLl8TqFIb6mFgPp26mREbEV6wkOT+4g/yGr0VLT39WcchLWzH93Mv aFuhjzwjRM5nS+PWKFvmkzyFpVZL3syGxT/x8tUkfXCLPig3lXYFR01nJ3xLsaH5UmJYKLf51vN Le0u4G9azNdNjkQt5mz7HfOEIJ/ABBfOk5ktdWtE1hAW1PQdo78nduv6670hQRYDwMHj+UbykJJ ro1SpBgXvRhmC0nOPOr9YplN4isysW3F3u0w1cdxPDqkfpvN4/4= X-Received: by 2002:a05:7022:6ba9:b0:11e:3e9:3e92 with SMTP id a92af1059eb24-11f2edf7dadmr5797254c88.23.1765582864957; Fri, 12 Dec 2025 15:41:04 -0800 (PST) MIME-Version: 1.0 References: <32f8c689-314d-4a5e-9af6-2e3e704582e6n@googlegroups.com> In-Reply-To: From: Greg Maxwell Date: Fri, 12 Dec 2025 23:40:53 +0000 X-Gm-Features: AQt7F2r888oPNc_nguFzyFJtGYYegYY6-H__hsg2k_DiF3ml6-r7LIBz5vkD49U Message-ID: Subject: Re: [bitcoindev] Re: The Cat, BIP draft discussion. To: bitcoindev@googlegroups.com Content-Type: multipart/alternative; boundary="0000000000007cc6a70645c9cbff" X-Original-Sender: gmaxwell@gmail.com X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=FW7jzhod; spf=pass (google.com: domain of gmaxwell@gmail.com designates 2607:f8b0:4864:20::122f as permitted sender) smtp.mailfrom=gmaxwell@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com; dara=pass header.i=@googlegroups.com Precedence: list Mailing-list: list bitcoindev@googlegroups.com; contact bitcoindev+owners@googlegroups.com List-ID: X-Google-Group-Id: 786775582512 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Score: -0.5 (/) --0000000000007cc6a70645c9cbff Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, Dec 12, 2025 at 9:26=E2=80=AFPM Jonathan Voss w= rote: > Since the Bitcoin Stamps outputs are already unspendable, it makes perfec= t > sense to mark and drop them from the UTXO set. There is no consensus change involved in not storing a provably unspendable output, it's just an implementation detail with no interoperability implications and doesn't need a BIP. Bitcoin core has long done so for several types of unspendable outputs, e.g. outputs over 10kb and ones starting with OP_RETURN. --=20 You received this message because you are subscribed to the Google Groups "= Bitcoin Development Mailing List" group. To unsubscribe from this group and stop receiving emails from it, send an e= mail to bitcoindev+unsubscribe@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/bitcoindev/= CAAS2fgTjF_e5vLEzp672_jmF82jDUre0wcZKHB5my8kTdFOGgw%40mail.gmail.com. --0000000000007cc6a70645c9cbff Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
On Fri, Dec 12, 2025 at 9:26=E2=80=AFPM J= onathan Voss <k98kurz@gmail.com= > wrote:
Since the Bitcoin Stamps outputs a= re already unspendable, it makes perfect sense to mark and drop them from t= he UTXO set.

There is no consensus change i= nvolved in not storing a provably unspendable output, it's just an impl= ementation detail with no interoperability implications and doesn't nee= d a BIP.=C2=A0 Bitcoin core has long done so for several types of unspendab= le outputs, e.g. outputs over 10kb and ones starting with OP_RETURN.
<= div>

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